Today I fixed a strange problem where BT Business Cloud Voice phones would have about a 10 second delay when answering, or when dialing out. When answering a call it would stay silent for a few seconds before finally working. The phones are Yealink T46 supplied by BT, the problem would have probably...

I still haven't completely solved the problem of my PC sometimes failing to resume from sleep, and when it happens it acts as if it had crashed and then just starts up normally. This means I wan't to check the disks to make sure the file system is all OK. This can be done on Slackware by creating a...

Sometimes a command is so long that it doesn't fit on one line. ps usually truncates it but sometimes you want it to wrap instead so you can see the full command.
The proper method is to use the -w option twice. From the man page:

-w     Wide output.  Use this option twice for unlimited wid...

Today it felt like something was running slowly so I opened htop and saw a command called exe was using quite high CPU. But what is exe? It's a very suspicious looking name.

The PID for exe is 9645, so I can check where the actual executable is by looking in /proc.

$ ls -l /proc/964...